Raybestos 981959R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 981959R

The Raybestos R-Line Disc Brake Rotor 981959R is engineered for reliable braking performance on Mini Cooper vehicles. Designed as a vented, conventional rotor, it offers consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Mini Cooper models
• Vented disc brake rotor design for improved cooling
• Overall diameter: 12.992 inches (330 mm)
• Nominal thickness: 1.020 inches (25.9 mm)
• Discard thickness: 0.961 inches (24.4 mm)
• Mounting bolt hole quantity: 4 with 0.634 inch (16.1 mm) diameter
• Center hole diameter: 2.526 inches (64.15 mm)
• Smooth surface type for consistent pad contact

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes durability and performance, making it suitable for drivers seeking reliable replacement parts for their Mini Cooper. The 981959R rotor benefits from the R-Line's engineering standards, ensuring proper fitment and consistent braking response.

Technical Specifications and Features

This disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The rotor's overall height measures 1.791 inches (45.5 mm), and it includes four mounting bolt holes arranged on a 3.937 inch (100 mm) bolt circle diameter. The inside diameter of 8.031 inches (204 mm) and a center hole diameter of 2.526 inches (64.15 mm) ensure precise alignment and fitment on Mini Cooper brake assemblies. The smooth surface type promotes even pad wear and consistent braking performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mini Cooper vehicles
• Addresses brake noise caused by uneven rotor surfaces
• Improves braking efficiency by restoring proper rotor thickness
• Helps prevent brake fade during extended or heavy braking
• Resolves vibration issues related to rotor runout or damage

Installation Notes and Tips

When installing the Raybestos R-Line 981959R rotor, ensure the mounting surface is clean and free of debris to maintain proper rotor seating. Verify that the rotor thickness meets or exceeds the nominal thickness of 1.020 inches (25.9 mm) and does not fall below the discard thickness of 0.961 inches (24.4 mm). Use the correct torque specifications for the four mounting bolts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to optimize braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 981959R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.